Abstract

A method is presented to obtain normalized high resolution slant path transmittance spectra of the atmosphere. Sample spectra are presented. The spectra are of use in remote sensing applications for various types of atmospheric physics and atmospheric photochemistry research, for validating line parameter compilations, and for modeling slant path radiative transfer. The sample spectra are used to demonstrate improved accuracy of line-by-line transmission models when recently reported water vapor line parameters are substituted for those in the 1986 AFGL line parameter compilation in the region near 1 μm.

© 1990 Optical Society of America

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References

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  1. L. S. Rothman et al., “hitran Database: 1986 Edition,” Appl. Opt. 26, 4058–4097 (1987).
    [CrossRef] [PubMed]
  2. J.-Y. Mandin, J.-P. Chevillard, J.-M. Flaud, C. Camy-Peyret, “H216O: Line Positions and Intensities Between 8000 and 9500 cm−1: the Second Hexad of Interacting Vibrational States: {(050),(130),(031),(210),(111),(012)},” Can. J. Phys. 66, 997–1011 (1988).
    [CrossRef]
  3. K. O. White, W. M. Gutman, J. A. Dowling, “Mobile Atmospheric Profiling Systems,” Appl. Opt. 24, 3512–3518 (1985).
    [CrossRef] [PubMed]
  4. S. G. O’Brien, OptiMetrics, Inc., Las Cruces, New Mexico private communication.
  5. L. Delbouille, G. Roland, J. Brault, L. Testerman, Photometric Atlas of the Solar Spectrum from 1,850 to 10,000 cm−1 (Kitt Peak National Observatory, AZ, 1981).

1988 (1)

J.-Y. Mandin, J.-P. Chevillard, J.-M. Flaud, C. Camy-Peyret, “H216O: Line Positions and Intensities Between 8000 and 9500 cm−1: the Second Hexad of Interacting Vibrational States: {(050),(130),(031),(210),(111),(012)},” Can. J. Phys. 66, 997–1011 (1988).
[CrossRef]

1987 (1)

1985 (1)

Brault, J.

L. Delbouille, G. Roland, J. Brault, L. Testerman, Photometric Atlas of the Solar Spectrum from 1,850 to 10,000 cm−1 (Kitt Peak National Observatory, AZ, 1981).

Camy-Peyret, C.

J.-Y. Mandin, J.-P. Chevillard, J.-M. Flaud, C. Camy-Peyret, “H216O: Line Positions and Intensities Between 8000 and 9500 cm−1: the Second Hexad of Interacting Vibrational States: {(050),(130),(031),(210),(111),(012)},” Can. J. Phys. 66, 997–1011 (1988).
[CrossRef]

Chevillard, J.-P.

J.-Y. Mandin, J.-P. Chevillard, J.-M. Flaud, C. Camy-Peyret, “H216O: Line Positions and Intensities Between 8000 and 9500 cm−1: the Second Hexad of Interacting Vibrational States: {(050),(130),(031),(210),(111),(012)},” Can. J. Phys. 66, 997–1011 (1988).
[CrossRef]

Delbouille, L.

L. Delbouille, G. Roland, J. Brault, L. Testerman, Photometric Atlas of the Solar Spectrum from 1,850 to 10,000 cm−1 (Kitt Peak National Observatory, AZ, 1981).

Dowling, J. A.

Flaud, J.-M.

J.-Y. Mandin, J.-P. Chevillard, J.-M. Flaud, C. Camy-Peyret, “H216O: Line Positions and Intensities Between 8000 and 9500 cm−1: the Second Hexad of Interacting Vibrational States: {(050),(130),(031),(210),(111),(012)},” Can. J. Phys. 66, 997–1011 (1988).
[CrossRef]

Gutman, W. M.

Mandin, J.-Y.

J.-Y. Mandin, J.-P. Chevillard, J.-M. Flaud, C. Camy-Peyret, “H216O: Line Positions and Intensities Between 8000 and 9500 cm−1: the Second Hexad of Interacting Vibrational States: {(050),(130),(031),(210),(111),(012)},” Can. J. Phys. 66, 997–1011 (1988).
[CrossRef]

O’Brien, S. G.

S. G. O’Brien, OptiMetrics, Inc., Las Cruces, New Mexico private communication.

Roland, G.

L. Delbouille, G. Roland, J. Brault, L. Testerman, Photometric Atlas of the Solar Spectrum from 1,850 to 10,000 cm−1 (Kitt Peak National Observatory, AZ, 1981).

Rothman, L. S.

Testerman, L.

L. Delbouille, G. Roland, J. Brault, L. Testerman, Photometric Atlas of the Solar Spectrum from 1,850 to 10,000 cm−1 (Kitt Peak National Observatory, AZ, 1981).

White, K. O.

Appl. Opt. (2)

Can. J. Phys. (1)

J.-Y. Mandin, J.-P. Chevillard, J.-M. Flaud, C. Camy-Peyret, “H216O: Line Positions and Intensities Between 8000 and 9500 cm−1: the Second Hexad of Interacting Vibrational States: {(050),(130),(031),(210),(111),(012)},” Can. J. Phys. 66, 997–1011 (1988).
[CrossRef]

Other (2)

S. G. O’Brien, OptiMetrics, Inc., Las Cruces, New Mexico private communication.

L. Delbouille, G. Roland, J. Brault, L. Testerman, Photometric Atlas of the Solar Spectrum from 1,850 to 10,000 cm−1 (Kitt Peak National Observatory, AZ, 1981).

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Figures (4)

Fig. 1
Fig. 1

Langley plot constructed from the Fourier transform spectrometer data for 1.06 μm for 5 July 1989. The vertical optical depth is 0.062. The standard deviation is 0.0033, and r2 is 0.945. The vertical transmittance is 94%.

Fig. 2
Fig. 2

Comparison of a normalized sun–source spectrum with a synthetic spectrum computed using the 1986 version of the AFGL hitran database.

Fig. 3
Fig. 3

Comparison of the same normalized sun–source spectrum presented in Fig. 2 with a synthetic spectrum computed using the AFGL hitran database with the water vapor line parameters modified according to the measurements presented in Ref. 2.

Fig. 4
Fig. 4

Comparison of a normalized sun–source spectrum with an unnormalized spectrum. The scale is arbitrary. Absorption features that are present in the unnormalized spectrum but absent from the normalized spectrum are solar in origin.

Equations (3)

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I ( ν ) = I 0 ( ν ) exp [ - α ( ν ) l ] ,
I ( ν ) = I 0 ( ν ) exp [ - P α ( ν , l ) d l ] .
I ( ν ) = I 0 ( ν ) exp [ - D ( ν ) f ( θ ) ] .

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